Six weeks after conception, your baby is the size of your little fingernail.

受孕六周后你的孩子有你小手指甲那么大。

《柯林斯英汉双解大词典》

Baby boys do not react at all to the difference and the size of the cube.

男婴对立方体的大小和差异完全没有反应。

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Baby boys do not seem to notice the difference in the size of the ball, but girls immediately become excited and begin to make noises that sound like language.

男婴似乎没有注意到球的大小的不同，但女婴立即变得兴奋，并开始发出听起来像是语言的声音。

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You can buy it in baby-size or XXL, in English or Mandarin.

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Researchers implant a small sensor -- about the size of a baby aspirin -- in the motor area of the brain.

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Just as critical, Mr. Keogh says, will be maintaining Audi's edge with luxury-car buyers in their 20s, 30s and early- to mid-40s whose numbers rival the size of the baby-boom generation.

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